Like in English
"Basketball" is spelled "Basket-ball" in French.
"un joueur de basket / un joueur de basketball"
The game of basket ball in french is just le basket.
chaussures de basket-ball
French people use the word Basketball. Soccer is said "football", just as many European languages including British English.
Assuming that you mean basketball and just left out the "t" (instead of baseball and accidentally added a "k"), they call it le basket. To play basketball is jouer au basket.
plays basketball is translated in French to "joue au basketball"
That is the correct spelling of "basketball" (the game or the ball used in it).
The french word for basketball is "le ballon-panier."
"How do you spell it in French?" is "Comment ça s'écrit en français?"
It is spelled basketball :)
"Ajouter" is how you spell "add" in French.